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《7.1不等式及其基本性质》优质课教案下载
(3) -6<-1, -6+0 ______ -1+0, -6-0 ______ -1-0. ______________________
活动1: 用“<”或“>”完成下列三组填空
探究过程: 结论:
(1)5>3, 5+2 ______ 3+2, 5-2 ______ 3-2 ; ______________________
(2)-1<3, -1+(-2) ______ 3+(-2), -1-(-2) ______ 3-(-2); ______________________
(3) -6<-1, -6+0 ______ -1+0, -6-0 ______ -1-0. ______________________
活动2:类比活动1的方法,探索不等式的其他性质?
探究过程: 结论:
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活动2:类比活动1的方法,探索不等式的其他性质?
探究过程: 结论:
__________________________________________ _________________________ __________________________________________ _________________________
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